Specifications:Product size: 78.3X78.3X28mmProduct net weight: 76gBattery type: AAA type (Not Included Batteries)Working temperature: 0°C~50°CWorking voltage: 4.5V (3 AAA batteries )(Not Included Batteries)Package Includes:1 * Rotating TimerThe battery is not included, you need to buy it yourself.Reminder: The size of the figure below is manual measurement, there will inevitably be errors, please refer to the actual product!Due to computer resolution and other reasons, there may be some color difference, please refer to the actual product.Please allow 1-3cm differs due to manual measurement, thanks (All measurement in cm and please note 1cm=0.39inch)Your support is our motivation, we hope that you have a pleasant and comfortable shopping time.If you have any questions, you can contact us We will reply to you within 24 hours!